Hadr00.cc

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/// \file hadronic/Hadr00/Hadr00.cc
/// \brief Main program of the hadronic/Hadr00 example
//
//
// $Id: Hadr00.cc 75840 2013-11-06 17:28:38Z gcosmo $
//
// -------------------------------------------------------------
//      GEANT4 Hadr00
//
//  Application demonstrating Geant4 hadronic cross sections
//
//  Author: V.Ivanchenko 20 June 2008
//
//  Modified: 
//
// -------------------------------------------------------------
//
//
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#include "G4RunManager.hh"
#include "G4MTRunManager.hh"
#include "G4UImanager.hh"
#include "Randomize.hh"

#include "DetectorConstruction.hh"
#include "G4PhysListFactory.hh"
#include "G4VModularPhysicsList.hh"
#include "PrimaryGeneratorAction.hh"
#include "ActionInitialization.hh"

#ifdef G4VIS_USE
#include "G4VisExecutive.hh"
#endif

#ifdef G4UI_USE
#include "G4UIExecutive.hh"
#endif

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int main(int argc,char** argv) {

  //choose the Random engine
  G4Random::setTheEngine(new CLHEP::RanecuEngine());

#ifdef G4MULTITHREADED  
  G4MTRunManager * runManager = new G4MTRunManager(); 

  // Number of threads can be defined via 3rd argument
  if (argc==4) {
    G4int nThreads = G4UIcommand::ConvertToInt(argv[3]);
    runManager->SetNumberOfThreads(nThreads);
  }
  G4cout << "##### Hadr00 started for " << runManager->GetNumberOfThreads() 
         << " threads" << " #####" << G4endl;
#else
  G4RunManager * runManager = new G4RunManager(); 
  G4cout << "##### Hadr00 started in sequential mode" 
         << " #####" << G4endl;
#endif

  //set mandatory initialization classes
  runManager->SetUserInitialization(new DetectorConstruction());

  G4PhysListFactory factory;
  G4VModularPhysicsList* phys = 0;
  G4String physName = "";

  // Physics List name defined via 3nd argument
  if (argc>=3) { physName = argv[2]; }

  // Physics List is defined via environment variable PHYSLIST
  if("" == physName) {
    char* path = getenv("PHYSLIST");
    if (path) { physName = G4String(path); }
  }

  // if name is not known to the factory use FTFP_BERT
  if("" == physName || !factory.IsReferencePhysList(physName)) {
    physName = "FTFP_BERT"; 
  }

  // reference PhysicsList via its name
  phys = factory.GetReferencePhysList(physName);

  runManager->SetUserInitialization(phys);

  //set user action classes
  runManager->SetUserInitialization(new ActionInitialization());

  //get the pointer to the User Interface manager
  G4UImanager* UImanager = G4UImanager::GetUIpointer();
#ifdef G4VIS_USE
  G4VisManager* visManager = 0;
#endif

  if (argc==1)   // Define UI terminal for interactive mode
    {
#ifdef G4VIS_USE
      //visualization manager
      visManager = new G4VisExecutive;
      visManager->Initialize();
#endif
#ifdef G4UI_USE
      G4UIExecutive* ui = new G4UIExecutive(argc, argv);
      ui->SessionStart();
      delete ui;
#endif
    }
  else           // Batch mode
    {
      G4String command = "/control/execute ";
      G4String fileName = argv[1];
      UImanager->ApplyCommand(command+fileName);
    }

  //job termination
#ifdef G4VIS_USE
  delete visManager;
#endif
  delete runManager;

  return 0;
}

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